ÖNORM EN 4354:2007-06

Действует

Aerospace series - Six lobe recess - Drivers, relieved

Ссылочные документы

ISO 1173:2001

Действует

Assembly tools for screws and nuts. Drive ends for hand- and machine-operated screwdriver bits and connecting parts. Dimensions, torque testing — 11 стр.

ÖNORM EN 2424:2008-10

Действует

Aerospace series - Marking of aerospace products

ÖNORM EN 4359:2007-06

Действует

Aerospace series - Six lobe recess - Drivers - Technical specification